Hours Calculator

Turn a start time, end time, and break into hours worked.

Your inputs

Calculation details

All calculations run locally in your browser. No data is stored.

Decimal hours8
Elapsed time8 hr 30 min
Break deducted30 min

If the end time is earlier than the start time, the shift is treated as crossing midnight.

How this calculator works

The calculator measures minutes from the start time to the end time, treats an earlier end time as the next day, and subtracts the entered break.

Change any input to update the estimate instantly. Your entries never leave your device.

Frequently asked questions

How are overnight shifts handled?

When the end time is earlier than the start time, it is treated as occurring on the following day.

Can the break exceed the shift?

No. The deducted break is capped at the elapsed shift length.